64648688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 146240640

約数和(自身を除く): 81591952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 208, 221, 272, 376, 389, 442, 611, 752, 778, 799, 884, 1222, 1556, 1598, 1768, 2444, 3112, 3196, 3536, 4888, 5057, 6224, 6392, 6613, 9776, 10114, 10387, 12784, 13226, 18283, 20228, 20774, 26452, 36566, 40456, 41548, 52904, 73132, 80912, 83096, 85969, 105808, 146264, 166192, 171938, 237679, 292528, 310811, 343876, 475358, 621622, 687752, 950716, 1243244, 1375504, 1901432, 2486488, 3802864, 4040543, 4972976, 8081086, 16162172, 32324344, 64648688]

約数ペア:

[(1, 64648688), (2, 32324344), (4, 16162172), (8, 8081086), (13, 4972976), (16, 4040543), (17, 3802864), (26, 2486488), (34, 1901432), (47, 1375504), (52, 1243244), (68, 950716), (94, 687752), (104, 621622), (136, 475358), (188, 343876), (208, 310811), (221, 292528), (272, 237679), (376, 171938), (389, 166192), (442, 146264), (611, 105808), (752, 85969), (778, 83096), (799, 80912), (884, 73132), (1222, 52904), (1556, 41548), (1598, 40456), (1768, 36566), (2444, 26452), (3112, 20774), (3196, 20228), (3536, 18283), (4888, 13226), (5057, 12784), (6224, 10387), (6392, 10114), (6613, 9776)]